US3139550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slot wedge retainer for electrical windings
Assignee: General Electric Co
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Filing: 1962-12-31
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Granted: 1964-06-30
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Norman F Geer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:53
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/46; H02K3/48; H02K3/487
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN AN ELECTROMAGNETIC CORE DEFINING A LONGITUDINAL SLOT WITH LONGITUDINAL GROOVES IN THE SIDE WALLS NEAR THE TOP OF THE SLOT, SAID SLOT HAVING A WINDING DISPOSED THEREIN, THE COMBINATION OF: A PLURALITY OF LONGITUDINALLY SPACED FIRST WEDGE MEMBERS DISPOSED ON TOP OF THE WINDING AND EACH DEFINING LONGITUDINALLY INCLINED FIRST WEDGE SURFACES ON OPPOSITE ENDS THEREOF, AND A PLURALITY OF LONGITUDINALLY SPACED SECOND WEDGE MEMBERS DISPOSED BETWEEN SAID FIRST WEDGE MEMBERS AND EACH DEFINING LONGITUDINALLY INCLINED SECOND WEDGE SURFACES CONTIGUOUS AND COOPERATING WITH THE FIRST WEDGE SURFACES, SAID SECOND WEDGE MEMBERS HAVING OPPOSITE SIDES CONSTRUCTED TO FIT TIGHTLY IN SAID SIDE WALL GROOVES OF THE SLOT, WHEREBY PRESSURE ON THE WINDING TOWARD THE BOTTOM OF THE SLOT IS EXERTED BY THE FIRST WEDGE MEMBERS WHEN THE SECOND WEDGE MEMBERS ARE FORCED LONGITUDINALLY ALONG SAID SLOT GROOVES.
Claim 2
Dependent Claim
137 words
IN AN ELECTROMAGNETIC CORE DEFINING A LONGITUDINAL SLOT WITH LONGITUDINAL GROOVES IN THE SIDE WALLS NEAR THE TOP OF THE SLOT, SAID SLOT HAVING A WINDING DISPOSED THEREIN, THE COMBINATION OF: A PLURALITY OF LONGITUDINALLY SPACED FIRST WEDGE MEMBERS DISPOSED ON TOP OF THE WINDING AND EACH DEFINING LONGITUDINALLY INCLINED FIRST WEDGE SURFACES ON OPPOSITE ENDS THEREOF, AND A PLURALITY OF LONGITUDINALLY SPACED SECOND WEDGE MEMBERS DISPOSED BETWEEN SAID FIRST WEDGE MEMBERS AND EACH DEFINING LONGITUDINALLY INCLINED SECOND WEDGE SURFACES CONTIGUOUS AND COOPERATING WITH THE FIRST WEDGE SURFACES, SAID SECOND WEDGE MEMBERS HAVING OPPOSITE SIDES CONSTRUCTED TO FIT TIGHTLY IN SAID SIDE WALL GROOVES OF THE SLOT, WHEREBY PRESSURE ON THE WINDING TOWARD THE BOTTOM OF THE SLOT IS EXERTED BY THE FIRST WEDGE MEMBERS WHEN THE SECOND WEDGE MEMBERS ARE FORCED LONGITUDINALLY ALONG SAID SLOT GROOVES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |